webengine/osswebengine/WebCore/platform/network/ResourceError.h
changeset 0 dd21522fd290
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebCore/platform/network/ResourceError.h	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,168 @@
+// -*- mode: c++; c-basic-offset: 4 -*-
+/*
+ * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#ifndef ResourceError_h
+#define ResourceError_h
+
+#include "PlatformString.h"
+
+#if PLATFORM(CF)
+#include <wtf/RetainPtr.h>
+#endif
+
+#ifdef __OBJC__
+@class NSError;
+#else
+class NSError;
+#endif
+
+#if USE(CFNETWORK)
+#include <CoreFoundation/CFStream.h>
+#endif
+
+namespace WebCore {
+
+    class ResourceError {
+    public:
+        ResourceError()
+            : m_errorCode(0)
+#if PLATFORM(CF)
+            , m_dataIsUpToDate(true)
+#endif
+            , m_isNull(true)
+        {
+        }
+
+        ResourceError(const String& domain, int errorCode, const String& failingURL, const String& localizedDescription)
+            : m_domain(domain)
+            , m_errorCode(errorCode)
+            , m_failingURL(failingURL)
+            , m_localizedDescription(localizedDescription)
+#if PLATFORM(CF)
+            , m_dataIsUpToDate(true)
+#endif
+            , m_isNull(false)
+        {
+        }
+
+#if PLATFORM(CF)
+#if PLATFORM(MAC)
+        ResourceError(NSError* error)
+#else
+        ResourceError(CFStreamError error);
+        ResourceError(CFErrorRef error)
+#endif
+            : m_dataIsUpToDate(false)
+            , m_platformError(error)
+            , m_isNull(!error)
+        {
+        }
+#endif
+
+#if 0
+        static const String CocoaErrorDomain;
+        static const String POSIXDomain;
+        static const String OSStatusDomain;
+        static const String MachDomain;
+        static const String WebKitDomain;
+#endif
+
+        bool isNull() const { return m_isNull; }
+
+        const String& domain() const { unpackPlatformErrorIfNeeded(); return m_domain; }
+        int errorCode() const { unpackPlatformErrorIfNeeded(); return m_errorCode; }
+        const String& failingURL() const { unpackPlatformErrorIfNeeded(); return m_failingURL; }
+        const String& localizedDescription() const { unpackPlatformErrorIfNeeded(); return m_localizedDescription; }
+
+#if PLATFORM(CF)
+#if PLATFORM(MAC)
+        operator NSError*() const;
+#else
+        operator CFErrorRef() const;
+        operator CFStreamError() const;
+#endif
+#endif
+
+    private:
+        void unpackPlatformErrorIfNeeded() const
+        {
+#if PLATFORM(CF)
+            if (!m_dataIsUpToDate)
+                const_cast<ResourceError*>(this)->unpackPlatformError();
+#endif
+        }
+
+#if PLATFORM(CF)
+        void unpackPlatformError();
+#endif
+
+        String m_domain;
+        int m_errorCode;
+        String m_failingURL;
+        String m_localizedDescription;
+ 
+#if PLATFORM(CF)
+        bool m_dataIsUpToDate;
+#endif
+#if PLATFORM(MAC)
+        mutable RetainPtr<NSError> m_platformError;
+#elif PLATFORM(CF)
+        mutable RetainPtr<CFErrorRef> m_platformError;
+#endif
+        bool m_isNull;
+};
+
+inline bool operator==(const ResourceError& a, const ResourceError& b)
+{
+    if (a.isNull() && b.isNull())
+        return true;
+    if (a.isNull() || b.isNull())
+        return false;
+    if (a.domain() != b.domain())
+        return false;
+    if (a.errorCode() != b.errorCode())
+        return false;
+    if (a.failingURL() != b.failingURL())
+        return false;
+    if (a.localizedDescription() != b.localizedDescription())
+        return false;
+#if PLATFORM(CF)
+#if PLATFORM(MAC)
+    if ((NSError *)a != (NSError *)b)
+        return false;
+#else
+    if ((CFErrorRef)a != (CFErrorRef)b)
+        return false;
+#endif
+#endif
+    return true;
+}
+
+inline bool operator!=(const ResourceError& a, const ResourceError& b) { return !(a == b); }
+
+} // namespace WebCore
+
+#endif // ResourceError_h_